-94.95% is the change from 970 to 49
Calculation steps:
[( 49 - 970 ) ÷ 970] x 100 = -94.95%
Formula
Percentage change = [(49 - 970) / 970] x 100
Subtract the new number by the original number
49 - 970 = -921
-921 ÷ 970 = -0.9494845360824742
-0.9494845360824742 x 100 = -94.95%